/*
 *  Copyright 2010 The MyBatis Team
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.mybatis.generator.codegen.mybatis3.javamapper.elements.annotated;

import static org.mybatis.generator.api.dom.OutputUtilities.javaIndent;
import static org.mybatis.generator.codegen.mybatis3.MyBatis3FormattingUtilities.getEscapedColumnName;
import static org.mybatis.generator.codegen.mybatis3.MyBatis3FormattingUtilities.getParameterClause;
import static org.mybatis.generator.internal.util.StringUtility.escapeStringForJava;

import java.util.Iterator;

import org.mybatis.generator.api.IntrospectedColumn;
import org.mybatis.generator.api.dom.java.FullyQualifiedJavaType;
import org.mybatis.generator.api.dom.java.Interface;
import org.mybatis.generator.api.dom.java.Method;
import org.mybatis.generator.codegen.mybatis3.javamapper.elements.UpdateByPrimaryKeyWithBLOBsMethodGenerator;

/**
 * 
 * @author Jeff Butler
 */
public class AnnotatedUpdateByPrimaryKeyWithBLOBsMethodGenerator extends UpdateByPrimaryKeyWithBLOBsMethodGenerator {

	public AnnotatedUpdateByPrimaryKeyWithBLOBsMethodGenerator() {
		super();
	}

	@Override
	public void addMapperAnnotations(Interface interfaze, Method method) {
		interfaze.addImportedType(new FullyQualifiedJavaType("org.apache.ibatis.annotations.Update")); //$NON-NLS-1$

		method.addAnnotation("@Update({"); //$NON-NLS-1$

		StringBuilder sb = new StringBuilder();
		javaIndent(sb, 1);
		sb.append("\"update "); //$NON-NLS-1$
		sb.append(escapeStringForJava(introspectedTable.getFullyQualifiedTableNameAtRuntime()));
		sb.append("\","); //$NON-NLS-1$
		method.addAnnotation(sb.toString());

		// set up for first column
		sb.setLength(0);
		javaIndent(sb, 1);
		sb.append("\"set "); //$NON-NLS-1$

		Iterator<IntrospectedColumn> iter = introspectedTable.getNonPrimaryKeyColumns().iterator();
		while (iter.hasNext()) {
			IntrospectedColumn introspectedColumn = iter.next();

			sb.append(escapeStringForJava(getEscapedColumnName(introspectedColumn)));
			sb.append(" = "); //$NON-NLS-1$
			sb.append(getParameterClause(introspectedColumn));

			if (iter.hasNext()) {
				sb.append(',');
			}

			sb.append("\","); //$NON-NLS-1$
			method.addAnnotation(sb.toString());

			// set up for the next column
			if (iter.hasNext()) {
				sb.setLength(0);
				javaIndent(sb, 1);
				sb.append("  \""); //$NON-NLS-1$
			}
		}

		boolean and = false;
		iter = introspectedTable.getPrimaryKeyColumns().iterator();
		while (iter.hasNext()) {
			IntrospectedColumn introspectedColumn = iter.next();
			sb.setLength(0);
			javaIndent(sb, 1);
			if (and) {
				sb.append("  \"and "); //$NON-NLS-1$
			} else {
				sb.append("\"where "); //$NON-NLS-1$
				and = true;
			}

			sb.append(escapeStringForJava(getEscapedColumnName(introspectedColumn)));
			sb.append(" = "); //$NON-NLS-1$
			sb.append(getParameterClause(introspectedColumn));
			sb.append('\"');
			if (iter.hasNext()) {
				sb.append(',');
			}
			method.addAnnotation(sb.toString());
		}

		method.addAnnotation("})"); //$NON-NLS-1$
	}
}
